music/pass2/cards/PASS2_FLORES_WATERFALL.json
{
"_doc": "The formula card, produced by the same path every corpus and exemplar card uses.",
"track_id": "PASS2_FLORES_WATERFALL",
"source_path": "D:/audio/pass2/PASS2_FLORES_WATERFALL/PASS2_FLORES_WATERFALL.wav",
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"honest_tier": "PASS2_COMPOSED_STRUCTURE_SAMPLER_REALISATION",
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{
"position_s": 0.0,
"duration_s": 13.17,
"delta_bpm": 88.83,
"shape": "ramp"
},
{
"position_s": 64.9,
"duration_s": 24.03,
"delta_bpm": 133.74,
"shape": "step"
},
{
"position_s": 101.08,
"duration_s": 7.04,
"delta_bpm": 61.1,
"shape": "step"
}
],
"dispersion_bpm": 64.599,
"rubato_depth_bpm": 118.314
},
"global_bpm": 66.26,
"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
"windowed_tempo_stability": {
"tempo_bpm_global": 66.26,
"tempo_bpm_median_local": 66.26,
"tempo_iqr_bpm": 56.79,
"tempo_stability": 0.0,
"beat_interval_cv": 0.0124
},
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"dominant_onset_period_bpm": 66.26,
"metre": {
"assumed": "4/4",
"measured": null,
"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
},
"groove": {
"swing_ratio": 0.674,
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}
},
"tonality": {
"key": "D",
"mode": "major",
"windowed_key_agreement": 0.5833,
"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
"the_hook": {
"available": true,
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"onset_bars": 0.02,
"pitch_contour": "UUUUDDD-UDUD-UD",
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],
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"at_note_index": 9,
"is_licensed_leap": true
}
},
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},
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"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
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